The Barclay Baronetcy, of Perceton, Pierston in the County of Ayr, is a title in the Baronetage of Nova Scotia. It was created on 22 October 1668 for Robert Barclay. The eighth Baronet sat as Member of Parliament for Newtown (UK Parliament constituency), Newtown. The eleventh Baronet was a colonial administrator, the twelfth Baronet an army officer, and the fourteenth Baronet a naval officer, painter and botanist. Colville Barclay (diplomat), Sir Colville Barclay, third son of the twelfth Baronet and father of the fourteenth Baronet, was a diplomat.

Barclay baronets, of Pierston (1668)

*Sir Robert Barclay, 1st Baronet (died 1694) *Sir Robert Barclay, 2nd Baronet (1658–1717) *Sir Robert Barclay, 3rd Baronet (died 1728) *Sir James Barclay, 4th Baronet (died 1755) *Sir William Bloyes Barclay, 5th Baronet (c.1710–1756) *Sir William Barclay, 6th Baronet (1748–1769) *Sir James Mantle Barclay, 7th Baronet (1750–1793) *Sir Robert Barclay, 8th Baronet (1755–1839) *Sir Robert Barclay, 9th Baronet (1819–1859) *Sir David William Barclay, 10th Baronet (1804–1888) *C. A. D. Barclay, Sir Colville Arthur Durell Barclay, Order of St Michael and St George, CMG 11th Baronet (1829–1896) *Sir David Edward Durell Barclay, 12th Baronet (1858–1918) *Sir Robert Cecil de Belzim Barclay, 13th Baronet (1862–1930) *Sir Colville Barclay, 14th Baronet, Sir Colville Herbert Sanford Barclay, 14th Baronet (1913–2010) *Sir Robert Colraine Barclay, 15th Baronet (born 1950)

References

*{{Rayment-b, date=March 2012 Baronetcies in the Baronetage of Nova Scotia, Barclay 1668 establishments in Nova Scotia